🩹 [Fix]: Add null checks for repository and enterprise results in GraphQL queries to prevent errors

Author: MariusStorhaug

src/functions/private/Enterprise/Get-GitHubEnterpriseByName.ps1

@@ -67,7 +67,9 @@ query(`$Slug: String!) {
             Context   = $Context
         }
         $enterpriseResult = Invoke-GitHubGraphQLQuery @enterpriseQuery
-        [GitHubEnterprise]::new($enterpriseResult.enterprise)
+        if ($enterpriseResult.enterprise) {
+            [GitHubEnterprise]::new($enterpriseResult.enterprise)
+        }
     }
 
     end {

src/functions/private/Releases/Assets/Get-GitHubReleaseAssetByTag.ps1

@@ -115,12 +115,14 @@ query(`$owner: String!, `$repository: String!, `$tag: String!, `$perPage: Int, `
 
             Invoke-GitHubGraphQLQuery @apiParams | ForEach-Object {
                 $release = $_.repository.release
-                $assets = $release.releaseAssets
-                foreach ($asset in $assets.nodes) {
-                    [GitHubReleaseAsset]::new($asset)
+                if ($release) {
+                    $assets = $release.releaseAssets
+                    foreach ($asset in $assets.nodes) {
+                        [GitHubReleaseAsset]::new($asset)
+                    }
+                    $hasNextPage = $assets.pageInfo.hasNextPage
+                    $after = $assets.pageInfo.endCursor
                 }
-                $hasNextPage = $assets.pageInfo.hasNextPage
-                $after = $assets.pageInfo.endCursor
             }
         } while ($hasNextPage)
     }

src/functions/private/Releases/Assets/Get-GitHubReleaseAssetFromLatest.ps1

@@ -114,12 +114,14 @@ query(`$owner: String!, `$repository: String!, `$perPage: Int, `$after: String)
 
             Invoke-GitHubGraphQLQuery @apiParams | ForEach-Object {
                 $release = $_.repository.latestRelease
-                $assets = $release.releaseAssets
-                foreach ($asset in $assets.nodes) {
-                    [GitHubReleaseAsset]::new($asset)
+                if ($release) {
+                    $assets = $release.releaseAssets
+                    foreach ($asset in $assets.nodes) {
+                        [GitHubReleaseAsset]::new($asset)
+                    }
+                    $hasNextPage = $assets.pageInfo.hasNextPage
+                    $after = $assets.pageInfo.endCursor
                 }
-                $hasNextPage = $assets.pageInfo.hasNextPage
-                $after = $assets.pageInfo.endCursor
             }
         } while ($hasNextPage)
     }

src/functions/private/Repositories/Get-GitHubMyRepositoryByName.ps1

@@ -127,7 +127,10 @@ $graphQLFields
         }
 
         Invoke-GitHubGraphQLQuery @apiParams | ForEach-Object {
-            [GitHubRepository]::new($_.viewer.repository)
+            $repository = $_.viewer.repository
+            if ($repository) {
+                [GitHubRepository]::new($repository)
+            }
         }
     }
 

src/functions/private/Repositories/Get-GitHubRepositoryByName.ps1

@@ -134,7 +134,10 @@ $graphQLFields
         }
 
         Invoke-GitHubGraphQLQuery @apiParams | ForEach-Object {
-            [GitHubRepository]::new($_.repositoryOwner.repository)
+            $repository = $_.repositoryOwner.repository
+            if ($repository) {
+                [GitHubRepository]::new($repository)
+            }
         }
     }